Onion Tank

Professional Onion Tank Manufacturer – OEM/ODM Services

We are a professional onion tank manufacturer specializing in innovative liquid storage solutions for global markets. Our product range includes unique bulb tank designs, versatile onion tank configurations, and durable liquid storage bag systems engineered for reliable performance in demanding environments.

Our Product Range

As a leading manufacturer, we produce high-quality collapsible liquid container solutions including portable water storage tank systems for remote operations, emergency response, and industrial applications. Our onion tank features a distinctive bulbous shape that optimizes space utilization while maintaining structural integrity under full load. The bulb tank design provides excellent stability and efficient liquid discharge compared to traditional pillow tanks.

Quality and Construction

All our products are manufactured from high-strength PVC or TPU-coated fabrics with reinforced seams created through high-frequency welding technology. Each liquid storage bag undergoes rigorous leak testing and pressure validation. The collapsible liquid container incorporates anti-UV treatment, chemical resistance, and remains flexible across extreme temperatures. Our portable water storage tank systems feature corrosion-resistant valve fittings and multiple inlet-outlet configurations.

OEM/ODM Services

We offer complete customization including capacities from one hundred to five hundred thousand liters, custom colors, branding, and specialized fittings. From concept to production, our team delivers tailored solutions for all your liquid storage requirements. Contact us today for factory-direct pricing.

Onion Tank – Heavy-Duty Waterproof Protection

Our onion tank is engineered for heavy-duty storage of water and industrial liquids, featuring a distinctive bulbous shape that provides superior stability and complete drainage compared to conventional pillow tanks. This innovative design allows the tank to stand upright when filled, maximizing storage efficiency while ensuring no liquid pooling occurs during discharge.

Manufacturing Process

Production begins with high-frequency welding of premium PVC-coated fabrics, creating molecular-level seam fusion that exceeds the strength of base materials. Each tank undergoes rigorous quality testing including air pressure retention, seam integrity verification, and complete waterproof validation before shipment. The manufacturing facility maintains strict quality controls from raw material inspection through final packaging.

Structural Features

Constructed from 0.6mm thickness PVC fabric with high tensile strength, each onion tank incorporates anti-UV and anti-aging treatments for extended service life. Reinforced seams feature double-welded construction at all stress points, while corrosion-resistant valve fittings ensure leak-proof connections. The material remains flexible across wide temperature ranges and includes SGS-certified components for reliable performance.

Available in capacities from 550 liters to 50,000 liters, with base diameters ranging from 1.5 meters to 5.8 meters and filled heights from 0.9 meters to 2.0 meters. Color options include orange, red, yellow, blue, white, green, dark green, and custom specifications. Suitable for industrial and agricultural applications with complete customization services available.

Specifications of Onion Tank

Hot Sales Specifications

Detailed Images of Onion Tank

Properties of Onion Tank

• Durable

• Long life

• Anti mold

• Anti-static

• Recyclable

• Vivid colour

• Air tightness

• Antibacteria

• Self cleaning

• Uv resistence

• Anti-bacterial and anti-mold: Using special chemical additives, we ensure that all our products have good anti-bacterial and anti-mold effects, do not produce mold in humid and warm environments, maintain the stability of the surface, and do not produce unpleasant odors, prolonging the use of the life of the product.

• Anti algae: GS PVC vinyle is often used in the field of water-contact areas, especially for water storage containers, aquaculture, fish farming, are required to prevent algae, in the manufacturing of the upper and lower bottom molds, GS has specially added additives to prevent algae, so the tarpaulin is algae-proof.

• 100% waterproof: GSTARP are 100% waterproof, in which the special surface treatment is the first step of PVC fabric defense, to ensure that no water molecules can penetrate, followed by the upper and lower surface layer and the basic completely combined to form a whole. Finally, through the base fabric coating glue, glue and coating molecular bonding, through the above three steps cash technology, GS PVC vinyl is 100% waterproof.

• Acid resistance: GSTRP factory produce PVC fabric by lamination or coating, our equipment is imported from Germany, with advanced techniques, during the manufacturing process of PVC FABRIC, specialized additives are added to make the product acid resistant. Customers can use it to store substances containing acids and alkalis.

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